Table of Contents

Microbiological Assay in Perspective. The Agar Diffusion Assay - Its Quantitative Basis. The Theory and Practice of Tube Assays for Growth Promoting Substances. The Theory and Practice of Tube Assays for Growth Inhibiting Substances. What Do We Want of an Assay? How Do We Attain Our Goal? General Practical Aspects of Microbiological Assays. Standard Reference Materials. Parallel Lines Assays - Some Designs and Their Evaluation. Slope Ratio Assays, Some Designs and Their Evaluation. Choice of Experimental Design. Concluding Thoughts.